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The Influence of Evidence Disclosure Timing and Strength on Statement-Evidence Inconsistencies, Within-Statement Inconsistencies and Information Disclosure by Mock Suspects

Polman, S. (2021) The Influence of Evidence Disclosure Timing and Strength on Statement-Evidence Inconsistencies, Within-Statement Inconsistencies and Information Disclosure by Mock Suspects.

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Abstract:It was investigated whether the Strategic Use of Evidence (SUE) has an effect on the disclosure of novel investigative information by the suspect and the perceived rapport by the suspect between interviewer and interviewee. Moreover, the strength of evidence was integrated into the study to find out whether, when combined with the SUE, it influences the effects. This study investigated whether evidence disclosure timing (early vs late) and evidence strength (weak vs strong) have an influence on the number of inconsistencies between pieces of evidence and statements (statement-evidence inconsistencies), inconsistencies within suspects’ statements (within-statement inconsistencies), suspects’ provision of novel investigative information and the perceived rapport. It was also explored whether rapport has an influence on the suspects’ provision of novel investigative information. The participants (N=101) were assigned to one of the four conditions, interviewed online and completed a questionnaire measuring rapport. The findings indicate that late disclosure leads to more statement-evidence inconsistencies and within-statement inconsistencies without affecting rapport. Rapport was not found to influence suspects’ provision of novel investigative information. In the case of early disclosure, strong evidence produced fewer statement-evidence inconsistencies than weak evidence. No effects of disclosure timing, evidence strength or rapport on novel investigative information were found.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
Link to this item:http://purl.utwente.nl/essays/87663
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